Scientists say there's much more to "the Rock" than crime and punishment, and they have come to Alcatraz to investigate the hidden history that lies beneath the prison walls.
Like, really old.
More than grunts and ughs, it would appear.
Looking at the latest news about one of history's greatest mysteries.
The journey of man takes an unexpected twist.
Logs? Boats? Merlin? Many have theories as to how the Stonehenge stones got there. Here's a new one.
"I guess it probably would have looked like a platypus on steroids."
Bacteria finally saw its chance, and took it.
T-Rex: Cool, but not the coolest. Nevertheless, here's a nifty infographic.